I recently purchased a B&W G3/400 256 ram, zip, 12 gig HD, original CD & ultra SCSI PCI card running OS 9.2.2 to replace my tried and true Starmax 5500/200 OS 8.6. Since the purchase I added - one at at time - an 80 gig Seagate HD, USB floppy, Pioneer DVR106 CD drive and another 256 ram. I also tried an Xlr8 G4/500-533 upgrade but it was DOA and I returned it for replacement. I ran into a couple of start-up issues during the upgrades that I thought I resolved but now I'm not sure.
Prior to the 80 HD install the System Profiler showed 256 ram. Immediately after the HD install SP showed 128. Assuming I bumped one of the chips during the install, I moved both 128 chips from the 2 inside slots to the
SIMMs and DIMMs are "sticks" of memory. The discrete integrated circuit (IC) components on the circuit card are the "chips".
two outside slots. The SP showed 256 and continued to show it until I installed the 256 chip a week later (in one of the two vacant inside slots). The boot up after the chip install went like this - computer fan starts up, CD light cycles on then off, HD "spins up" briefly - 1 second, 2 at the most - then nothing. The computer sat with power on, meanwhile the screen hadn't done anything. It was just black. Several retries resulted in the same results so I moved the 256 chip to the other vacant inside slot and rebooted. Everything booted fine and SP showed 512 ram. I assumed I had a bad #2 slot.
Bad slot or the stick isn't solidly in-spec - so it only runs in that configuration.
the computer and it did almost the same start-up sequence except this time, the start-up made it to a gray screen with the pointer in the upper left corner before the boot stopped. A reboot went off without a hitch. In all the above mentioned cases the computer did not go through the "fix" that occurs when the computer crashes. Is there a deeper problem that I should address or are the boot issues related to the upgrades I've been making? Sorry for this long post but I want to try Panther once I have the hardware upgrades completed and want to eliminate all other problems before doing so.
Eliminate some variables, to make the debugging process easier. Unplug all external devices, except for the keyboard and mouse. See if that improves things. If not, then double-check the internal peripherals, especially their cabling and termination. Remember that SCSI-1 chains require passive termination while SCSI-2/3 chains require active termination. Maybe pull the SCSI card. Pull the DIMMs and other cards and clean their contacts. etc... Boot into OS 9 and run either Apple's diags or something like PowerControl for a few dozen test cycles.
Find the problem before going to Panther...
- Dan.
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